*{
    margin: 0px;
    padding: 0px;
}
#one{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-bottom: 50px solid red;/*朝上*/
}
#one_1{
    width: 0;
    height: 0;
    border-top: 50px solid darkgreen;/*朝下*/
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
}
.yuan{
    width: 0px;
    height: 0px;
   border: 50px solid aqua;
   border-radius: 150px;
    padding: 30px;
    margin-top: 50px;
}

#twe{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-top: 75px solid rgb(115, 190, 30);/*朝上*/
   margin-top: 200px;
}
#twe_1{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-bottom: 75px solid rgb(115, 190, 30);/*朝上*/
  
}

#sanjiao{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-top: 50px solid red;/*朝上*/
    margin-top: 50px;
  
}
#sanjiao_1{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-bottom: 50px solid red;/*朝下*/
   
}

#sanjiao2{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-top: 50px solid red;/*朝上*/
    margin-top: 1px;
  
}
#sanjiao_2{
    width: 0;
    height: 0;
    border-left: 50px  solid transparent;
    border-right: 50px  solid transparent;
    border-bottom: 50px solid red;/*朝下*/
   
}
#yuan_2{
    width: 0px;
    height: 0px;
    border-style: solid;
    border-width: 50px 50px 50px 50px;
    border-color: green transparent green green;
    -webkit-border-radius: 100px;
    margin-top: 50px  ;
}